{"id":13379247,"url":"https://github.com/kiranandcode/deriving-such-that","last_synced_at":"2025-04-22T11:53:21.845Z","repository":{"id":234449916,"uuid":"787767832","full_name":"kiranandcode/deriving-such-that","owner":"kiranandcode","description":null,"archived":false,"fork":false,"pushed_at":"2024-04-22T10:58:09.000Z","size":4,"stargazers_count":5,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-02-16T14:25:05.530Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"Lean","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/kiranandcode.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2024-04-17T06:32:56.000Z","updated_at":"2024-09-27T19:06:51.000Z","dependencies_parsed_at":"2024-07-20T19:13:03.474Z","dependency_job_id":"f12ed975-8b84-4a09-884a-4390b296ab1d","html_url":"https://github.com/kiranandcode/deriving-such-that","commit_stats":null,"previous_names":["gopiandcode/deriving-such-that","kiranandcode/deriving-such-that"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kiranandcode%2Fderiving-such-that","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kiranandcode%2Fderiving-such-that/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kiranandcode%2Fderiving-such-that/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/kiranandcode%2Fderiving-such-that/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/kiranandcode","download_url":"https://codeload.github.com/kiranandcode/deriving-such-that/tar.gz/refs/heads/main","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":250237801,"owners_count":21397399,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-07-30T07:01:45.006Z","updated_at":"2025-04-22T11:53:21.792Z","avatar_url":"https://github.com/kiranandcode.png","language":"Lean","funding_links":[],"categories":["Lean"],"sub_categories":[],"readme":"# Deriving Such That for Lean\n\nThis repository includes an implementation of the program derivation\ntactic [deriving such\nthat](https://coq.inria.fr/doc/V8.18.0/refman/addendum/miscellaneous-extensions.html)\nextension from the Rocq proof assistant in Lean.\n\n\n## Example of use\n\n```lean\nderive p such that (k * n) + (k * m) = p as h := by\n   instantiate ?p := k * (n + m)\n   simp [p, Nat.mul_add]\n\n#eval (p 1 2 3)\n-- produces 9\n```\n\n\nNote: vanilla lean doesn't really expect users to use evariables, it\ndoesn't provide any tactics to instantiate evars, so this library\nprovides one.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkiranandcode%2Fderiving-such-that","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fkiranandcode%2Fderiving-such-that","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fkiranandcode%2Fderiving-such-that/lists"}